static int global_invalidates(struct kvm *kvm, unsigned long flags)
{
int global;
+ int cpu;
/*
* If there is only one vcore, and it's currently running,
/* any other core might now have stale TLB entries... */
smp_wmb();
cpumask_setall(&kvm->arch.need_tlb_flush);
- cpumask_clear_cpu(local_paca->kvm_hstate.kvm_vcore->pcpu,
- &kvm->arch.need_tlb_flush);
+ cpu = local_paca->kvm_hstate.kvm_vcore->pcpu;
+ /*
+ * On POWER9, threads are independent but the TLB is shared,
+ * so use the bit for the first thread to represent the core.
+ */
+ if (cpu_has_feature(CPU_FTR_ARCH_300))
+ cpu = cpu_first_thread_sibling(cpu);
+ cpumask_clear_cpu(cpu, &kvm->arch.need_tlb_flush);
}
return global;
if (*rmap & KVMPPC_RMAP_PRESENT) {
i = *rmap & KVMPPC_RMAP_INDEX;
- head = &kvm->arch.revmap[i];
+ head = &kvm->arch.hpt.rev[i];
if (realmode)
head = real_vmalloc_addr(head);
- tail = &kvm->arch.revmap[head->back];
+ tail = &kvm->arch.hpt.rev[head->back];
if (realmode)
tail = real_vmalloc_addr(tail);
rev->forw = i;
lock_rmap(rmap);
head = *rmap & KVMPPC_RMAP_INDEX;
- next = real_vmalloc_addr(&kvm->arch.revmap[rev->forw]);
- prev = real_vmalloc_addr(&kvm->arch.revmap[rev->back]);
+ next = real_vmalloc_addr(&kvm->arch.hpt.rev[rev->forw]);
+ prev = real_vmalloc_addr(&kvm->arch.hpt.rev[rev->back]);
next->back = rev->back;
prev->forw = rev->forw;
if (head == pte_index) {
unsigned long mmu_seq;
unsigned long rcbits, irq_flags = 0;
+ if (kvm_is_radix(kvm))
+ return H_FUNCTION;
psize = hpte_page_size(pteh, ptel);
if (!psize)
return H_PARAMETER;
}
pte = kvmppc_read_update_linux_pte(ptep, writing);
if (pte_present(pte) && !pte_protnone(pte)) {
- if (writing && !pte_write(pte))
+ if (writing && !__pte_write(pte))
/* make the actual HPTE be read-only */
ptel = hpte_make_readonly(ptel);
is_ci = pte_ci(pte);
/* Find and lock the HPTEG slot to use */
do_insert:
- if (pte_index >= kvm->arch.hpt_npte)
+ if (pte_index >= kvmppc_hpt_npte(&kvm->arch.hpt))
return H_PARAMETER;
if (likely((flags & H_EXACT) == 0)) {
pte_index &= ~7UL;
- hpte = (__be64 *)(kvm->arch.hpt_virt + (pte_index << 4));
+ hpte = (__be64 *)(kvm->arch.hpt.virt + (pte_index << 4));
for (i = 0; i < 8; ++i) {
if ((be64_to_cpu(*hpte) & HPTE_V_VALID) == 0 &&
try_lock_hpte(hpte, HPTE_V_HVLOCK | HPTE_V_VALID |
}
pte_index += i;
} else {
- hpte = (__be64 *)(kvm->arch.hpt_virt + (pte_index << 4));
+ hpte = (__be64 *)(kvm->arch.hpt.virt + (pte_index << 4));
if (!try_lock_hpte(hpte, HPTE_V_HVLOCK | HPTE_V_VALID |
HPTE_V_ABSENT)) {
/* Lock the slot and check again */
}
/* Save away the guest's idea of the second HPTE dword */
- rev = &kvm->arch.revmap[pte_index];
+ rev = &kvm->arch.hpt.rev[pte_index];
if (realmode)
rev = real_vmalloc_addr(rev);
if (rev) {
struct revmap_entry *rev;
u64 pte, orig_pte, pte_r;
- if (pte_index >= kvm->arch.hpt_npte)
+ if (kvm_is_radix(kvm))
+ return H_FUNCTION;
+ if (pte_index >= kvmppc_hpt_npte(&kvm->arch.hpt))
return H_PARAMETER;
- hpte = (__be64 *)(kvm->arch.hpt_virt + (pte_index << 4));
+ hpte = (__be64 *)(kvm->arch.hpt.virt + (pte_index << 4));
while (!try_lock_hpte(hpte, HPTE_V_HVLOCK))
cpu_relax();
pte = orig_pte = be64_to_cpu(hpte[0]);
return H_NOT_FOUND;
}
- rev = real_vmalloc_addr(&kvm->arch.revmap[pte_index]);
+ rev = real_vmalloc_addr(&kvm->arch.hpt.rev[pte_index]);
v = pte & ~HPTE_V_HVLOCK;
if (v & HPTE_V_VALID) {
hpte[0] &= ~cpu_to_be64(HPTE_V_VALID);
struct revmap_entry *rev, *revs[4];
u64 hp0, hp1;
+ if (kvm_is_radix(kvm))
+ return H_FUNCTION;
global = global_invalidates(kvm, 0);
for (i = 0; i < 4 && ret == H_SUCCESS; ) {
n = 0;
break;
}
if (req != 1 || flags == 3 ||
- pte_index >= kvm->arch.hpt_npte) {
+ pte_index >= kvmppc_hpt_npte(&kvm->arch.hpt)) {
/* parameter error */
args[j] = ((0xa0 | flags) << 56) + pte_index;
ret = H_PARAMETER;
break;
}
- hp = (__be64 *) (kvm->arch.hpt_virt + (pte_index << 4));
+ hp = (__be64 *) (kvm->arch.hpt.virt + (pte_index << 4));
/* to avoid deadlock, don't spin except for first */
if (!try_lock_hpte(hp, HPTE_V_HVLOCK)) {
if (n)
}
args[j] = ((0x80 | flags) << 56) + pte_index;
- rev = real_vmalloc_addr(&kvm->arch.revmap[pte_index]);
+ rev = real_vmalloc_addr(&kvm->arch.hpt.rev[pte_index]);
note_hpte_modification(kvm, rev);
if (!(hp0 & HPTE_V_VALID)) {
unsigned long v, r, rb, mask, bits;
u64 pte_v, pte_r;
- if (pte_index >= kvm->arch.hpt_npte)
+ if (kvm_is_radix(kvm))
+ return H_FUNCTION;
+ if (pte_index >= kvmppc_hpt_npte(&kvm->arch.hpt))
return H_PARAMETER;
- hpte = (__be64 *)(kvm->arch.hpt_virt + (pte_index << 4));
+ hpte = (__be64 *)(kvm->arch.hpt.virt + (pte_index << 4));
while (!try_lock_hpte(hpte, HPTE_V_HVLOCK))
cpu_relax();
v = pte_v = be64_to_cpu(hpte[0]);
/* Update guest view of 2nd HPTE dword */
mask = HPTE_R_PP0 | HPTE_R_PP | HPTE_R_N |
HPTE_R_KEY_HI | HPTE_R_KEY_LO;
- rev = real_vmalloc_addr(&kvm->arch.revmap[pte_index]);
+ rev = real_vmalloc_addr(&kvm->arch.hpt.rev[pte_index]);
if (rev) {
r = (rev->guest_rpte & ~mask) | bits;
rev->guest_rpte = r;
int i, n = 1;
struct revmap_entry *rev = NULL;
- if (pte_index >= kvm->arch.hpt_npte)
+ if (kvm_is_radix(kvm))
+ return H_FUNCTION;
+ if (pte_index >= kvmppc_hpt_npte(&kvm->arch.hpt))
return H_PARAMETER;
if (flags & H_READ_4) {
pte_index &= ~3;
n = 4;
}
- rev = real_vmalloc_addr(&kvm->arch.revmap[pte_index]);
+ rev = real_vmalloc_addr(&kvm->arch.hpt.rev[pte_index]);
for (i = 0; i < n; ++i, ++pte_index) {
- hpte = (__be64 *)(kvm->arch.hpt_virt + (pte_index << 4));
+ hpte = (__be64 *)(kvm->arch.hpt.virt + (pte_index << 4));
v = be64_to_cpu(hpte[0]) & ~HPTE_V_HVLOCK;
r = be64_to_cpu(hpte[1]);
if (cpu_has_feature(CPU_FTR_ARCH_300)) {
unsigned long *rmap;
long ret = H_NOT_FOUND;
- if (pte_index >= kvm->arch.hpt_npte)
+ if (kvm_is_radix(kvm))
+ return H_FUNCTION;
+ if (pte_index >= kvmppc_hpt_npte(&kvm->arch.hpt))
return H_PARAMETER;
- rev = real_vmalloc_addr(&kvm->arch.revmap[pte_index]);
- hpte = (__be64 *)(kvm->arch.hpt_virt + (pte_index << 4));
+ rev = real_vmalloc_addr(&kvm->arch.hpt.rev[pte_index]);
+ hpte = (__be64 *)(kvm->arch.hpt.virt + (pte_index << 4));
while (!try_lock_hpte(hpte, HPTE_V_HVLOCK))
cpu_relax();
v = be64_to_cpu(hpte[0]);
unsigned long *rmap;
long ret = H_NOT_FOUND;
- if (pte_index >= kvm->arch.hpt_npte)
+ if (kvm_is_radix(kvm))
+ return H_FUNCTION;
+ if (pte_index >= kvmppc_hpt_npte(&kvm->arch.hpt))
return H_PARAMETER;
- rev = real_vmalloc_addr(&kvm->arch.revmap[pte_index]);
- hpte = (__be64 *)(kvm->arch.hpt_virt + (pte_index << 4));
+ rev = real_vmalloc_addr(&kvm->arch.hpt.rev[pte_index]);
+ hpte = (__be64 *)(kvm->arch.hpt.virt + (pte_index << 4));
while (!try_lock_hpte(hpte, HPTE_V_HVLOCK))
cpu_relax();
v = be64_to_cpu(hpte[0]);
somask = (1UL << 28) - 1;
vsid = (slb_v & ~SLB_VSID_B) >> SLB_VSID_SHIFT;
}
- hash = (vsid ^ ((eaddr & somask) >> pshift)) & kvm->arch.hpt_mask;
+ hash = (vsid ^ ((eaddr & somask) >> pshift)) & kvmppc_hpt_mask(&kvm->arch.hpt);
avpn = slb_v & ~(somask >> 16); /* also includes B */
avpn |= (eaddr & somask) >> 16;
val |= avpn;
for (;;) {
- hpte = (__be64 *)(kvm->arch.hpt_virt + (hash << 7));
+ hpte = (__be64 *)(kvm->arch.hpt.virt + (hash << 7));
for (i = 0; i < 16; i += 2) {
/* Read the PTE racily */
if (val & HPTE_V_SECONDARY)
break;
val |= HPTE_V_SECONDARY;
- hash = hash ^ kvm->arch.hpt_mask;
+ hash = hash ^ kvmppc_hpt_mask(&kvm->arch.hpt);
}
return -1;
}
return status; /* there really was no HPTE */
return 0; /* for prot fault, HPTE disappeared */
}
- hpte = (__be64 *)(kvm->arch.hpt_virt + (index << 4));
+ hpte = (__be64 *)(kvm->arch.hpt.virt + (index << 4));
v = orig_v = be64_to_cpu(hpte[0]) & ~HPTE_V_HVLOCK;
r = be64_to_cpu(hpte[1]);
if (cpu_has_feature(CPU_FTR_ARCH_300)) {
v = hpte_new_to_old_v(v, r);
r = hpte_new_to_old_r(r);
}
- rev = real_vmalloc_addr(&kvm->arch.revmap[index]);
+ rev = real_vmalloc_addr(&kvm->arch.hpt.rev[index]);
gr = rev->guest_rpte;
unlock_hpte(hpte, orig_v);